{"id":10954,"date":"2026-09-04T18:51:34","date_gmt":"2026-09-04T10:51:34","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-18420"},"modified":"2026-09-04T18:51:34","modified_gmt":"2026-09-04T10:51:34","slug":"cve-2026-18420","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-18420","title":{"rendered":"CVE-2026-18420 [HIGH] &#8211; Improper input validation in the Time Series Visual Builder (TSVB) plugin in OpenSearch Da"},"content":{"rendered":"<p>Improper input validation in the Time Series Visual Builder (TSVB) plugin in OpenSearch Dashboards allows an authenticated remote user to execute arbitrary code on the server via a crafted JSON payload to the metrics visualization API endpoint. This issue is a form of prototype pollution that enables remote code execution.\u00a0<\/p>\n<p>To remediate this issue, users should upgrade to OpenSearch Dashboards 3.8 or later.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Improper input validation in the Time Series Visual Builder (TSVB) plugin in OpenSearch Dashboards allows an authenticated remote user to execute arbitrary code on the server via a crafted JSON payloa<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-10954","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/10954","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10954"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10954"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10954"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}